When used by a Ghost-type, the user sacrifices half of its max HP to sap the target by 1/4 of its max HP per turn. When used by anything else, the user's Speed is decreased by 1 stage and its Attack and Defense are increased by 1 stage.

The user attacks uncontrollably for five turns; this move's power doubles after each turn and also if Defense Curl was used beforehand. Its power resets after five turns have ended or if the attack misses.

When used by a Ghost-type, the user sacrifices half of its max HP to sap the target by 1/4 of its max HP per turn. When used by anything else, the user's Speed is decreased by 1 stage and its Attack and Defense are increased by 1 stage.

The user attacks uncontrollably for five turns; this move's power doubles after each turn and also if Defense Curl was used beforehand. Its power resets after five turns have ended or if the attack misses.